*{
    padding:0;
    margin:0;
    list-style: none;
    text-emphasis: none;
    box-sizing: border-box;
    color:#FFF;
    text-align: center;
    font-size: 30px;
}
html{
    scroll-behavior: smooth;
}
.headerImg{
    height: 100px;
    background: red;
}

.header{
    height: 50px;
    background: #EEE;
    border-bottom: 1px solid  #CCC;
}

.headerFixed{
    height: 50px;
    background: rgba(255,255,255,.9);
    position: fixed;
    color:#F00;
    left: 0;
    top:0;
    width: 100%;
    display: none;
}

.search{
    height: 110px;
    background: lime;
}

.nav{
    height: 60px;
    background: khaki;
}

.banner{
    height: 480px;
    background: olive;
}

.content > div{
    width: 1000px;
    margin:0 auto;
    height: 500px;
    line-height: 500px;
    font-size: 100px;
}


.footer{
    height: 250px;
    width: 100%;
    background: #666;
    line-height: 250px;
}

.floorNav{
    position: fixed;
    left: 15px;
    bottom: 300px;
    width: 80px;
    text-align: center;
    border:1px solid #CCC;
    border-bottom: 0;
    background: #EEE;
    display: none;
}
.floorNav li{
    cursor: pointer;
    font-size: 14px;
    height: 41px;
    border-bottom: 1px solid #CCC;
    line-height: 40px;
    color: #000;
}
.floorNav li.active{
    background: orangered;
    color: #FFF;
}